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cs.CR2026
Inevitability of Encrypted Traffic Side-Channel Leakage in the Multi-Class Setting
Guangjie Liu, Guang Cheng, Weiwei Liu
The Side-Channel Existence Theorem proves in the binary, undefended setting, but is confined to pairwise arguments and ignores active defenses. We extend it to class…
cs.CR2026
Rate-Distortion Function for Encrypted Traffic Side-Channel Defense
Guangjie Liu, Guang Cheng, Weiwei Liu +1
Parameter selection for encrypted traffic defense has long relied on empirical tuning, yet the fundamental question -- \emph{given a QoS cost budget , how low can the leakage ra…